While I don't care for curved (annoying for content creation, not a big difference in gaming), I'd still say go with the CFG70. Simply because 24" 1080p is a good sweet spot, plus better panel. If you were to go up to 27", then I'd suggest 1440p.
But that's just me.
I remember hearing that the Samsung quantum dot monitors all suffered from ghosting, so you might want to look into that. Maybe it was just certain models.
Out of curiosity, are these the only 2 monitors you're considering? If not, what's your price range?